<html><head><title>B�i t?p tr?c nghi?m</title><meta charset="utf-8"></head><body><center><table border="0"><tr><th><iframe src="https://drive.google.com/file/d/1oN659JjeTOW0X3Lr1VyYUcUWGb2Rn87t/preview" width="1000" height="600" frameborder="0" marginheight="0" marginwidth="0">�ang t?i�</iframe></th><th>ocs.google.com<iframe src="https://docs.google.com/forms/d/e/1FAIpQLSdSMdybfdLJUqKF7_hRBERcY9Ezyz8GdjLpr0Mgnf57CJ_Azw/viewform" width="360" height="580" frameborder="0" marginheight="0" marginwidth="0">�ang t?i�</iframe><center><font color="blue">Giang vien: HO THI MY LINH </font></center></th></tr></table></center></body></html>